31431431 (number)

31431431 is an odd 8-digits composite number following 31431430 and preceding 31431432. In scientific notation, it is written as 3.1431431 × 10^7. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 31407072 positive integers (up to 31431431) that are relatively prime to 31431431.

Interesting facts

Basic properties

Name

Name thirty-one million four hundred thirty-one thousand four hundred thirty-one

Notation

Scientific notation 3.1431431 × 10^7
Engineering notation 3.1431431 × 10^6

Prime Factorization of 31431431

Prime Factorization 1367 × 22993

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 31431431
Product of the distinct prime numbers

The prime factorization of 31431431 is 1367 × 22993. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31431431)

Multiplication

n×y
n×2 62862862
n×3 94294293
n×4 125725724
n×5 157157155

Division

n÷y
n÷2 15715715.5
n÷3 10477143.666667
n÷3 7857857.75
n÷5 6286286.2

Exponentiation

ny
n2 987934854707761
n3 3.1052206218242E+22
n4 9.7601527714644E+29
n5 3.0677556838574E+37

Nth Root

y√n
2√n 5606.3741402086
3√n 315.58865654791
4√n 74.875724638955
5√n 31.58441451891

Divisors of 31431431

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31431430
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31431431 can be divided by 4 positive divisors. The sum of these divisors (counting 31431431) is 1, the average is 0.25.

Base conversion 31431431

Base System Value
2 Binary 1110111111001101100000111
3 Ternary 2012010212211002
4 Quaternary 1313321230013
5 Quinary 31021301211
6 Senary 3041403515
8 Octal 167715407
10 Decimal 31431431
12 Duodecimal a63959b
16 Hexadecimal 1df9b07
20 Vigesimal 9g8ibb
36 Base36 iponb

Cryptographic Hash Functions

md5 eda1908ffaac02c46834c189c33f59b2
sha1 13066d72cfba56bb094da1fe26178606e29e85b4
sha256 913cb2e2d69f042b357cad41bffc36c9230aa982f3d6056a50e8ceb98e08be89
sha512 e20c3aa6ed4220a5d9b6bca2af6e26690485a17cb8f8694be04f85bcd579e7cd376487db1b2707a357cf5c5ae6433926b0af6ff5a78359b12816c132619f5987
ripemd-160 1d3692d77e59477dc8d54b21043bd33a408dc274

31431431 as geometric shapes

Circle

Radius = n
Diameter 62862862
Circumference 197489505.44283
Area 3.1036888817752E+15

Sphere

Radius = n
Volume 1.3007117724398E+23
Surface area 1.2414755527101E+16
Circumference 197489505.44283

Square

Length = n
Perimeter 125725724
Area 987934854707761
Diagonal 44450756.004994

Cube

Length = n
Surface area 5927609128246566
Volume 3.1052206218242E+22
Space diagonal 54440835.446595

Equilateral Triangle

Length = n
Perimeter 94294293
Area 4.277883407305E+14
Altitude 27220417.723298

Triangular Pyramid

Length = n
Surface area 4.277883407305E+14
Volume 3.6595375979537E+21
Height 14816918.668331